diff options
Diffstat (limited to 'src/host/layer23/src/mobile/gsm48_rr.c')
-rw-r--r-- | src/host/layer23/src/mobile/gsm48_rr.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/host/layer23/src/mobile/gsm48_rr.c b/src/host/layer23/src/mobile/gsm48_rr.c index c600d86e..2f32d9a1 100644 --- a/src/host/layer23/src/mobile/gsm48_rr.c +++ b/src/host/layer23/src/mobile/gsm48_rr.c @@ -363,6 +363,8 @@ static void new_rr_state(struct gsm48_rrlayer *rr, int state) stop_rr_t_starting(rr); /* stop handover timer */ stop_rr_t3124(rr); + /* stop faking measurement report */ + rr->hando_fake_report = 0; } rr->state = state; @@ -2830,6 +2832,17 @@ static int gsm48_rr_tx_meas_rep(struct osmocom_ms *ms) serv_rxqual_full = serv_rxqual_sub = 0; // FIXME } + /* fake serving cell, if wanted */ + if (rr->hando_fake_report) { + struct gsm322_cellsel *cs = &ms->cellsel; + + if (rr->hando_fake_report_arfcn == cs->sel_arfcn) + serv_rxlev_full = serv_rxlev_sub = 63; /* -47 dBm */ + else + serv_rxlev_full = serv_rxlev_sub = 10; /* -100 dBm */ + serv_rxqual_full = serv_rxqual_sub = 0; // quality is ok + } + memset(&rxlev_nc, 0, sizeof(rxlev_nc)); memset(&bsic_nc, 0, sizeof(bsic_nc)); memset(&bcch_f_nc, 0, sizeof(bcch_f_nc)); @@ -2870,6 +2883,15 @@ static int gsm48_rr_tx_meas_rep(struct osmocom_ms *ms) rxlev_nc[n] = rrmeas->nc_rxlev_dbm[index] + 110; bsic_nc[n] = rrmeas->nc_bsic[index]; bcch_f_nc[n] = index; + + /* fake neighbor cell, if wanted */ + if (rr->hando_fake_report) { + if (rr->hando_fake_report_arfcn + == rrmeas->nc_arfcn[index]) + rxlev_nc[n] = 63; /* -47 dBm */ + else + rxlev_nc[n] = 10; /* -100 dBm */ + } } } @@ -4730,6 +4752,30 @@ static int gsm48_rr_rx_phys_info(struct osmocom_ms *ms, struct msgb *msg) return gsm48_rr_resume_after_handover(ms); } +/* force handover to given ARFCN, by faking measurement report */ +const char *gsm48_rr_force_handover(struct osmocom_ms *ms, uint16_t arfcn) +{ + struct gsm48_rrlayer *rr = &ms->rrlayer; + struct gsm48_rr_meas *rrmeas = &rr->meas; + int i; + + if (rr->state != GSM48_RR_ST_DEDICATED) + return "No dedicated connection"; + + if (rrmeas->nc_num == 0) + return "No Neighbor cells given by BTS"; + + for (i = 0; i < rrmeas->nc_num; i++) { + if (rrmeas->nc_arfcn[i] == arfcn) { + rr->hando_fake_report = 1; + rr->hando_fake_report_arfcn = arfcn; + return 0; + } + } + + return "Given ARFCN is not a neighbor cell"; +} + /* * radio ressource requests */ |